The Winston Red Diamond is 2.33 carats and the world’s fifth-largest confirmed red diamond. CREDIT: Photo by Robert Weldon, courtesy of Ronald Winston. Get the Popular Science daily newsletter ...

Blue Diamond Growers announced it will shut its midtown Sacramento plant, moving operations to Turlock & Salida. Around 600 jobs will be affected in next two years.

Attendees of the 2025 Memorial Tournament final round are encouraged to wear yellow to support the "Play Yellow" campaign. "Play Yellow" supports Children's Miracle Network Hospitals, including ...

Diamond is one of the hardest materials known to man, but experts think it can be squashed into something even harder. The precious stone is a naturally occurring substance made of carbon crystals.

In the vault at Lugano Diamonds’ headquarters in Newport Beach, California, CEO Moti Ferder unlocks one of dozens of drawers holding millions of dollars of jewelry to reveal a stunning necklace ...

From the legendary Hope Diamond to a rainbow of colorful gemstones, a multigenerational bond between the Winston family and the Smithsonian transformed the museum’s world-renowned gem collection ...

Botswana's main diamond company has paused production at some of its mines, citing a prolonged downturn in global demand. Debswana, a joint venture between the government and global mining giant ...

The move marks a significant development in the ongoing separation of natural diamonds from lab-grown diamonds. SENSEX 80,737.51 -636.24. NIFTY 24,542.50 -174.10. CRUDEOIL 5,410.00 ...

Luann de lesseps was spotted rocking a jaw-dropping diamond ring on her left hand during a recent outing. BACKGRID. 18. The “RHONY” alum carried a large basket filled with flowers.

It means GIA will drop its traditional 4Cs (Colour, Clarity, Cut & Carat Weight) diamond grading system for lab-grown diamonds to ensure clear demarcation between natural and man-made diamonds.